<template>
    <div class="flex items-center mb-4">
      <el-radio-group v-model="small" class="mr-4">
        <el-radio-button :label="false">default</el-radio-button>
        <el-radio-button :label="true">small</el-radio-button>
      </el-radio-group>
      <div>
        background:
        <el-switch v-model="background" class="ml-2" />
      </div>
      <div class="ml-4">
        disabled: <el-switch v-model="disabled" class="ml-2" />
      </div>
    </div>
  
    <hr class="my-4" />
  
    <div class="demo-pagination-block">
      <div class="demonstration">Total item count</div>
      <el-pagination
        v-model:current-page="currentPage1"
        :page-size="100"
        :small="small"
        :disabled="disabled"
        :background="background"
        layout="total, prev, pager, next"
        :total="1000"
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
      />
    </div>
    <div class="demo-pagination-block">
      <div class="demonstration">Change page size</div>
      <el-pagination
        v-model:current-page="currentPage2"
        v-model:page-size="pageSize2"
        :page-sizes="[100, 200, 300, 400]"
        :small="small"
        :disabled="disabled"
        :background="background"
        layout="sizes, prev, pager, next"
        :total="1000"
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
      />
    </div>
    <div class="demo-pagination-block">
      <div class="demonstration">Jump to</div>
      <el-pagination
        v-model:current-page="currentPage3"
        v-model:page-size="pageSize3"
        :small="small"
        :disabled="disabled"
        :background="background"
        layout="prev, pager, next, jumper"
        :total="1000"
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
      />
    </div>
    <div class="demo-pagination-block">
      <div class="demonstration">All combined</div>
      <el-pagination
        v-model:current-page="currentPage4"
        v-model:page-size="pageSize4"
        :page-sizes="[100, 200, 300, 400]"
        :small="small"
        :disabled="disabled"
        :background="background"
        layout="total, sizes, prev, pager, next, jumper"
        :total="400"
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
      />
    </div>
  </template>
  <script lang="ts" setup>
  import { ref } from 'vue'
  
  const currentPage1 = ref(5)
  const currentPage2 = ref(5)
  const currentPage3 = ref(5)
  const currentPage4 = ref(4)
  const pageSize2 = ref(100)
  const pageSize3 = ref(100)
  const pageSize4 = ref(100)
  const small = ref(false)
  const background = ref(false)
  const disabled = ref(false)
  
  const handleSizeChange = (val: number) => {
    console.log(`${val} items per page`)
  }
  const handleCurrentChange = (val: number) => {
    console.log(`current page: ${val}`)
  }
  </script>
  
  <style scoped>
  .demo-pagination-block + .demo-pagination-block {
    margin-top: 10px;
  }
  .demo-pagination-block .demonstration {
    margin-bottom: 16px;
  }
  </style>